<template>
  <h4>{{ person }}</h4>
  <h2>姓名：{{ name }}</h2>
  <h2>年龄：{{ age }}</h2>
  <h2>薪资：{{ job.j1.salary }}K</h2>
  <button @click="name += '-'">修改姓名</button>
  <button @click="age++">增长年龄</button>
  <button @click="job.j1.salary++">增长薪资</button>
</template>
    
<script>
import { reactive, toRef, toRefs } from 'vue'
export default {
  name: 'App',
  setup() {
    let person = reactive({
      name: '张三',
      age: 19,
      job: {
        j1: {
          salary: 20,
        },
      },
    })
    //   const name1 = person.name
    //   console.log('%%%',name1);

    //   const name2 = toRef(person,'name')
    //   console.log(name2);

    const x = toRefs(person)
    console.log(x)
    // 返回一个对象
    return {
      person,
      // toRef处理单个对象
      // name:toRef(person,'name'),
      // age:toRef(person,'age'),
      // salary:toRef(person.job.j1,'salary')
      // toRefs处理多个对象
      ...toRefs(person),
    }
  },
}
</script>  